Doppler sonar

Doppler sonar

[′däp·lər ′sō‚när]
(engineering)
Sonar based on Doppler shift measurement technique. Abbreviated DS.
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The artists experimented with then-new technologies, such as video production, transmission of sound by wireless, and Doppler sonar, to create entirely new works of art.
artists experimented with new technologies like video projection, wireless sounds transmission and Doppler sonar, which had never been seen in the art of the 1960s.
* upper-ocean current profiles from hull-mounted Doppler sonar;
The period, 3-4 min, is consistent with velocity signals measured by Doppler sonar. This oscillatory motion suggests the presence of Langmuir circulations, which reach to the base of the mixed layer, entrain fluid from there, and bring it to the surface.
It comprises three basic elements: * a combined underwater sensor with quadruple Janus-configured doppler sonar and dual-axis EM transducers * a main electronics unit * a remote electronics unit and user interface